<div class="box box-solid">
    <div class="box-body table-responsive no-padding">
        <form role="form" action="#" method="post" id="insight">
              
            <div class="form-group">
                <label>文章内容</label>
                 <textarea class="form-control" style="height: 500px;" name="site_index"><?php echo $site_index; ?></textarea>
                <p class="help-blockk"></p>
            </div>
            <div class="box-footer">
                <button class="btn btn-primary" type="submit">保存</button>
            </div>
        </form>
    </div>
</div>
<script >
</script>